49 C.F.R. § 176.148 Artificial lighting.
Title 49 - Transportation
Electric lights, except arc lights, are the only form of artificial lighting permitted when loading and unloading Class 1 (explosive) materials.
Title 49: Transportation
PART 176—CARRIAGE BY VESSEL
Subpart G—Detailed Requirements for Class 1 (Explosive) Materials
Precautions During Loading and Unloading
§ 176.148 Artificial lighting.